Electric motor



FIG. 1 is a perspective view of an electric motor showing a new design;

FIG. 2 is a perspective view thereof showing the front and right sides thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a left side elevational view thereof.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an electric motor, as shown and described. 